B1000 32 - 01

B1000 32

Control Module. Internal Fault







Fault symptom
- Amplifier not functioning.

On-board diagnosis


Enable criteria:
- Ignition OFF.
- Starter motor cranking or engine running.

Fault criteria:
- Internal control module fault

System reaction to a fault:
- Amplifier not functioning.

Checking the wiring harness
- Move the wiring harness at several spots and in several directions to reveal intermittent breaks and short-circuits. Check switches, connectors and crimp connections for oxidation, retracted pins and pin clamping force.

Diagnostic help
- Change the control module.
- See "Procedure for control module replacement"